Electrical box marking system



FIG. 1 is a perspective view of a electrical box marking system showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view (opposite side view is mirror image) thereof; and,

FIG. 5 is a top view (bottom view is same image) thereof; and,

FIG. 6 is a cross-sectional view of FIG. 2. 

CLAIM The ornamental design for a electrical box marking system, as shown and described. 